Trojan.Crypt (A)

What is Trojan.Crypt (A) infection?

In this article you will discover concerning the interpretation of Trojan.Crypt (A) and also its unfavorable impact on your computer system. Such ransomware are a type of malware that is elaborated by on-line frauds to require paying the ransom by a target.

Most of the situations, Trojan.Crypt (A) virus will instruct its victims to initiate funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the target’s tool.

Trojan.Crypt (A) Summary

These alterations can be as adheres to:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Attempts to connect to a dead IP:Port (2 unique times);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Exhibits possible ransomware file modification behavior;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the sufferer’s hard disk — so the victim can no longer use the data;
  • Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan.Crypt (A)

One of the most common channels where Trojan.Crypt (A) are infused are:

  • By ways of phishing emails;
  • As a repercussion of customer ending up on a source that organizes a harmful software application;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the sufferer’s PC or avoid the gadget from operating in an appropriate manner – while also putting a ransom note that points out the need for the targets to impact the repayment for the objective of decrypting the files or recovering the data system back to the first problem. In the majority of instances, the ransom money note will certainly turn up when the client reboots the PC after the system has already been harmed.

Trojan.Crypt (A) circulation channels.

In various edges of the globe, Trojan.Crypt (A) grows by leaps and bounds. Nevertheless, the ransom money notes and tricks of extorting the ransom quantity might differ depending upon specific neighborhood (regional) setups. The ransom money notes and also methods of obtaining the ransom amount may differ depending on certain regional (local) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software.

    In certain locations, the Trojans usually wrongfully report having spotted some unlicensed applications enabled on the victim’s device. The alert after that demands the individual to pay the ransom money.

    Faulty statements about illegal material.

    In countries where software program piracy is less prominent, this technique is not as reliable for the cyber fraudulences. Additionally, the Trojan.Crypt (A) popup alert may wrongly assert to be originating from a law enforcement organization and will certainly report having situated kid porn or various other unlawful data on the gadget.

    Trojan.Crypt (A) popup alert might incorrectly assert to be acquiring from a legislation enforcement organization as well as will report having situated youngster porn or various other prohibited information on the tool. The alert will similarly have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 433A57A0md5: e3648731a36105980f5fae6b4afe614bname: officeupd.fftsha1: 85db743d14fbd83f893ec34dbdf57d0344e16156sha256: 877c735650488f81807239a0ca564c8faa660a8c9141a9aba2049b9fe1d5b2fbsha512: dcf4742b7c059f4580d9bbee1c5e444eb37bc1ab4c183bb7697ac33cc8d74a2d2ad9016ba1dc6429deb31d7fc1cd101d3544806411682d49147b4fc08b0eea2fssdeep: 12288:3qhfOhBJUmIa4cQ5VSdQpRSZZLPwPqnk7HLhPQ9dLz6D:I9dXrEEw/PwP4k71I9dLz6Dtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Crypt (A) also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.Encoder.30215
MicroWorld-eScan Trojan.GenericKD.32762293
CAT-QuickHeal TrojanRansom.Agent
McAfee Artemis!E3648731A361
Sangfor Malware
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.GenericKD.32762293
K7GW Trojan ( 0055c6211 )
K7AntiVirus Trojan ( 0055c6211 )
TrendMicro Ransom.Win32.MAZE.E
BitDefenderTheta Gen:NN.ZexaF.32519.fvW@a0xk7!di
Cyren W32/Trojan.VBUD-1977
Symantec Downloader
ESET-NOD32 a variant of Win32/Kryptik.GYWN
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Agent-7412843-0
Kaspersky Trojan-Ransom.Win32.Agent.avzu
NANO-Antivirus Trojan.Win32.Encoder.gjssqi
Rising [email protected] (RDMK:rUN0MZOa0Bol/tTHexDcew)
Ad-Aware Trojan.GenericKD.32762293
Emsisoft Trojan.Crypt (A)
Comodo Malware@#gaxzyr3ioj2h
F-Secure Trojan.TR/Crypt.Agent.ykspw
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Ransomware.tt
Trapmine malicious.high.ml.score
FireEye Generic.mg.e3648731a3610598
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Inject
Webroot W32.Adware.Gen
Avira TR/Crypt.Agent.ykspw
Antiy-AVL Trojan[Ransom]/Win32.Agent
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D1F3E9B5
ZoneAlarm Trojan-Ransom.Win32.Agent.avzu
Microsoft Trojan:Win32/Occamy.C
AhnLab-V3 Malware/Win32.Ransom.C3606656
Acronis suspicious
VBA32 TrojanRansom.Agent
ALYac Trojan.Ransom.ChaCha
MAX malware (ai score=85)
Malwarebytes Trojan.Injector
Panda Trj/CI.A
TrendMicro-HouseCall Ransom.Win32.MAZE.E
SentinelOne DFI – Malicious PE
GData Trojan.GenericKD.32762293
AVG FileRepMalware
Cybereason malicious.d14fbd
Avast FileRepMalware
Qihoo-360 HEUR/QVM19.1.81F7.Malware.Gen

How to remove Trojan.Crypt (A) ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Trojan.Crypt (A) you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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